This source file includes following definitions.
- et1011c_config_aneg
- et1011c_read_status
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11 #include <linux/kernel.h>
12 #include <linux/string.h>
13 #include <linux/errno.h>
14 #include <linux/unistd.h>
15 #include <linux/interrupt.h>
16 #include <linux/init.h>
17 #include <linux/delay.h>
18 #include <linux/netdevice.h>
19 #include <linux/etherdevice.h>
20 #include <linux/skbuff.h>
21 #include <linux/spinlock.h>
22 #include <linux/mm.h>
23 #include <linux/module.h>
24 #include <linux/mii.h>
25 #include <linux/ethtool.h>
26 #include <linux/phy.h>
27 #include <linux/io.h>
28 #include <linux/uaccess.h>
29 #include <asm/irq.h>
30
31 #define ET1011C_STATUS_REG (0x1A)
32 #define ET1011C_CONFIG_REG (0x16)
33 #define ET1011C_SPEED_MASK (0x0300)
34 #define ET1011C_GIGABIT_SPEED (0x0200)
35 #define ET1011C_TX_FIFO_MASK (0x3000)
36 #define ET1011C_TX_FIFO_DEPTH_8 (0x0000)
37 #define ET1011C_TX_FIFO_DEPTH_16 (0x1000)
38 #define ET1011C_INTERFACE_MASK (0x0007)
39 #define ET1011C_GMII_INTERFACE (0x0002)
40 #define ET1011C_SYS_CLK_EN (0x01 << 4)
41
42
43 MODULE_DESCRIPTION("LSI ET1011C PHY driver");
44 MODULE_AUTHOR("Chaithrika U S");
45 MODULE_LICENSE("GPL");
46
47 static int et1011c_config_aneg(struct phy_device *phydev)
48 {
49 int ctl = 0;
50 ctl = phy_read(phydev, MII_BMCR);
51 if (ctl < 0)
52 return ctl;
53 ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | BMCR_SPEED1000 |
54 BMCR_ANENABLE);
55
56 phy_write(phydev, MII_BMCR, ctl | BMCR_RESET);
57
58 return genphy_config_aneg(phydev);
59 }
60
61 static int et1011c_read_status(struct phy_device *phydev)
62 {
63 int ret;
64 u32 val;
65 static int speed;
66 ret = genphy_read_status(phydev);
67
68 if (speed != phydev->speed) {
69 speed = phydev->speed;
70 val = phy_read(phydev, ET1011C_STATUS_REG);
71 if ((val & ET1011C_SPEED_MASK) ==
72 ET1011C_GIGABIT_SPEED) {
73 val = phy_read(phydev, ET1011C_CONFIG_REG);
74 val &= ~ET1011C_TX_FIFO_MASK;
75 phy_write(phydev, ET1011C_CONFIG_REG, val\
76 | ET1011C_GMII_INTERFACE\
77 | ET1011C_SYS_CLK_EN\
78 | ET1011C_TX_FIFO_DEPTH_16);
79
80 }
81 }
82 return ret;
83 }
84
85 static struct phy_driver et1011c_driver[] = { {
86 .phy_id = 0x0282f014,
87 .name = "ET1011C",
88 .phy_id_mask = 0xfffffff0,
89
90 .config_aneg = et1011c_config_aneg,
91 .read_status = et1011c_read_status,
92 } };
93
94 module_phy_driver(et1011c_driver);
95
96 static struct mdio_device_id __maybe_unused et1011c_tbl[] = {
97 { 0x0282f014, 0xfffffff0 },
98 { }
99 };
100
101 MODULE_DEVICE_TABLE(mdio, et1011c_tbl);